OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	03/31/2022 06:22:38 AM	rwxr-xr-x
📄 __init__.py	112 bytes	09/08/2017 10:38:36 AM	rw-r--r--
📁 __pycache__	-	03/31/2022 06:22:39 AM	rwxr-xr-x
📄 _awaittests.py.3only	4.37 KB	09/08/2017 10:38:35 AM	rw-r--r--
📄 _posixifaces.py	4.58 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _win32ifaces.py	3.79 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 _yieldfromtests.py.3only	4.17 KB	09/08/2017 10:38:35 AM	rw-r--r--
📄 connectionmixins.py	19.71 KB	09/08/2017 10:38:36 AM	rw-r--r--
📁 fake_CAs	-	03/31/2022 06:22:38 AM	rwxr-xr-x
📄 fakeendpoint.py	1.52 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 modulehelpers.py	1.69 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 process_cli.py	664 bytes	09/08/2017 10:38:36 AM	rw-r--r--
📄 process_connectionlost.py	119 bytes	09/08/2017 10:38:36 AM	rw-r--r--
📄 process_gireactornocompat.py	721 bytes	09/08/2017 10:38:36 AM	rw-r--r--
📄 process_helper.py	1.06 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 reactormixins.py	13.72 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_abstract.py	1.98 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_address.py	11.45 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_base.py	10.98 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_baseprocess.py	2.55 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_core.py	11 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_coroutines.py	1.67 KB	09/08/2017 10:38:35 AM	rw-r--r--
📄 test_default.py	3.46 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_endpoints.py	143.15 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_epollreactor.py	7.16 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_fdset.py	13.18 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_filedescriptor.py	2.74 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_gireactor.py	8.83 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_glibbase.py	2.23 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_inlinecb.py	4.55 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_inotify.py	16.29 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_iocp.py	5.05 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_kqueuereactor.py	1.87 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_main.py	1.4 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_newtls.py	6.54 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_pollingfile.py	1.25 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_posixbase.py	9.31 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_posixprocess.py	10.9 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_process.py	31.29 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_protocol.py	18.29 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_resolver.py	19.58 KB	09/08/2017 10:38:35 AM	rw-r--r--
📄 test_serialport.py	1.9 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_sigchld.py	3.84 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_socket.py	9.11 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_stdio.py	6.3 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_tcp.py	83 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_threads.py	7.93 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_time.py	3.63 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_tls.py	12.32 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_udp.py	16.74 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_udp_internals.py	4.79 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_unix.py	33.94 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_win32events.py	6.35 KB	09/08/2017 10:38:36 AM	rw-r--r--
📄 test_win32serialport.py	5.16 KB	09/08/2017 10:38:35 AM	rw-r--r--

Editing: test_udp_internals.py

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for the internal implementation details of L{twisted.internet.udp}.
"""

from __future__ import division, absolute_import

import socket

from twisted.trial import unittest
from twisted.internet.protocol import DatagramProtocol
from twisted.internet import udp
from twisted.python.runtime import platformType

if platformType == 'win32':
    from errno import WSAEWOULDBLOCK as EWOULDBLOCK
else:
    from errno import EWOULDBLOCK

class StringUDPSocket(object):
    """
    A fake UDP socket object, which returns a fixed sequence of strings and/or
    socket errors.  Useful for testing.

@ivar retvals: A C{list} containing either strings or C{socket.error}s.

@ivar connectedAddr: The address the socket is connected to.
    """

def __init__(self, retvals):
        self.retvals = retvals
        self.connectedAddr = None

def connect(self, addr):
        self.connectedAddr = addr

def recvfrom(self, size):
        """
        Return (or raise) the next value from C{self.retvals}.
        """
        ret = self.retvals.pop(0)
        if isinstance(ret, socket.error):
            raise ret
        return ret, None

class KeepReads(DatagramProtocol):
    """
    Accumulate reads in a list.
    """

def __init__(self):
        self.reads = []

def datagramReceived(self, data, addr):
        self.reads.append(data)

class ErrorsTests(unittest.SynchronousTestCase):
    """
    Error handling tests for C{udp.Port}.
    """

def test_socketReadNormal(self):
        """
        Socket reads with some good data followed by a socket error which can
        be ignored causes reading to stop, and no log messages to be logged.
        """
        # Add a fake error to the list of ignorables:
        udp._sockErrReadIgnore.append(-7000)
        self.addCleanup(udp._sockErrReadIgnore.remove, -7000)

protocol = KeepReads()
        port = udp.Port(None, protocol)

# Normal result, no errors
        port.socket = StringUDPSocket(
            [b"result", b"123", socket.error(-7000), b"456",
             socket.error(-7000)])
        port.doRead()
        # Read stops on error:
        self.assertEqual(protocol.reads, [b"result", b"123"])
        port.doRead()
        self.assertEqual(protocol.reads, [b"result", b"123", b"456"])

def test_readImmediateError(self):
        """
        If the socket is unconnected, socket reads with an immediate
        connection refusal are ignored, and reading stops. The protocol's
        C{connectionRefused} method is not called.
        """
        # Add a fake error to the list of those that count as connection
        # refused:
        udp._sockErrReadRefuse.append(-6000)
        self.addCleanup(udp._sockErrReadRefuse.remove, -6000)

protocol = KeepReads()
        # Fail if connectionRefused is called:
        protocol.connectionRefused = lambda: 1/0

port = udp.Port(None, protocol)

# Try an immediate "connection refused"
        port.socket = StringUDPSocket([b"a", socket.error(-6000), b"b",
                                       socket.error(EWOULDBLOCK)])
        port.doRead()
        # Read stops on error:
        self.assertEqual(protocol.reads, [b"a"])
        # Read again:
        port.doRead()
        self.assertEqual(protocol.reads, [b"a", b"b"])

def test_connectedReadImmediateError(self):
        """
        If the socket connected, socket reads with an immediate
        connection refusal are ignored, and reading stops. The protocol's
        C{connectionRefused} method is called.
        """
        # Add a fake error to the list of those that count as connection
        # refused:
        udp._sockErrReadRefuse.append(-6000)
        self.addCleanup(udp._sockErrReadRefuse.remove, -6000)

protocol = KeepReads()
        refused = []
        protocol.connectionRefused = lambda: refused.append(True)

port = udp.Port(None, protocol)
        port.socket = StringUDPSocket([b"a", socket.error(-6000), b"b",
                                       socket.error(EWOULDBLOCK)])
        port.connect("127.0.0.1", 9999)

# Read stops on error:
        port.doRead()
        self.assertEqual(protocol.reads, [b"a"])
        self.assertEqual(refused, [True])

# Read again:
        port.doRead()
        self.assertEqual(protocol.reads, [b"a", b"b"])
        self.assertEqual(refused, [True])

def test_readUnknownError(self):
        """
        Socket reads with an unknown socket error are raised.
        """
        protocol = KeepReads()
        port = udp.Port(None, protocol)

# Some good data, followed by an unknown error
        port.socket = StringUDPSocket([b"good", socket.error(-1337)])
        self.assertRaises(socket.error, port.doRead)
        self.assertEqual(protocol.reads, [b"good"])